40 Source: Today.com 39 38 Advertisement 37 36 Source: Wookieepedia Advertisement 35 34 Advertisement 33 Source 32 Insider / Salon Advertisement 31 Source: 14 Behind The Scenes Facts About Your Favorite Horror Movies 30 Source: TIME 29 Source: Canadian Currency Act 28 Advertisement 27 RTimages/Shutterstock,Luis Echeverri Urrea/ShutterstockRoyal Society of Chemistry 26 Vice / Wikimedia 25 Komo News Advertisement 24 Source: 29 Companies That Ran Unbelievably Dumb Promotions 23 World Wide Words 22 Source: Military History Now Advertisement 21 Source 20 Source 19 Source: Yahoo Advertisement 18 Source: Reuters 17 Source: Screen Rant 16 Advertisement 15 14 13 Source: Smithsonian Magazine Advertisement 12 Source: University of Chicago 11 10 Advertisement 9 8 7 Advertisement 6 5 4 Advertisement 3 2 1 Advertisement